A neighbor of Robert Bowers, charged in Saturday's deadly synagogue shooting in Pittsburgh, says he had a habit of watching TV late at night, but seemed like an "average 50-year-old dude." (Oct 28)
AP

PITTSBURGH, PA - OCTOBER 27: Rapid reaction SWAT members leave the scene of a mass shooting at the Tree of Life Synagogue in the Squirrel Hill neighborhood on October 27, 2018 in Pittsburgh, Pennsylvania. According to reports, at least 12 people were shot, 4 dead and three police officers hurt during the incident. According to reports, at least 12 people were shot, 4 dead and three police officers hurt during the incident. The shooter surrendered to authorities and was taken into custody. (Photo by Jeff Swensen/Getty Images) ORG XMIT: 775249468 ORIG FILE ID: 1054355746(Photo: Jeff Swensen, Getty Images)

Authorities said the Pennsylvania man who killed 11 people in a Pittsburgh synagogue Saturday likely acted alone.

Authorities identified the victims during a Sunday press conference. The victims' ages range from 54 to 97.

The accused gunman, Robert Bowers, 46, was charged late Saturday with 29 federal counts, including hate crimes. U.S. Attorney General Jeff Sessions said the charges “could lead to the death penalty.”

Bowers was taken into custody after being wounded in a shootout with police at the scene of the "horrific" mass shooting, according to law enforcement officials. He is scheduled to make his first court appearance Monday afternoon.

The attack is the worst on worshiping Jewish people in American history, according to a Cincinnati professor and director of the American Jewish Archives.

Here's what we know, so far:

What happened?

Bowers allegedly burst into the Tree of Life Congregation Synagogue in the Squirrel Hill neighborhood of Pittsburgh and screamed anti-Semitic epithets as he opened fire on the congregants, law enforcement officials said.

Bowers shot and killed the 11 victims before being confronted by police. The call of a shooting at the synagogue came in at around 9:54 a.m. ET, Pittsburgh Public Safety Director Wendell Hissrich said at a Saturday news conference.

Pennsylvania Attorney General Josh Shapiro said the shooting occurred at the synagogue during a baby-naming ceremony.

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Chatham University students hug during a visit Thursday, Nov. 1, 2018, to a makeshift memorial outside the Tree of Life Synagogue to the 11 people killed Oct 27, 2018 while worshipping in the Squirrel Hill neighborhood of Pittsburgh. GENE J. PUSKAR/AP

Mourners visit the memorial outside the Tree of Life Synagogue on October 31, 2018 in Pittsburgh, Pa. Eleven people were killed in a mass shooting at the Tree of Life Congregation in Pittsburgh's Squirrel Hill neighborhood on Oct. 27. Jeff Swensen, Getty Images

Students from the Yeshiva School in the Squirrel Hill neighborhood of Pittsburgh stand outside Beth Shalom Synagogue after attending the funeral service for Joyce Fienberg, Wednesday, Oct. 31, 2018. Joyce Fienberg, 75, was one of 11 people killed when a gunman opened fire during worship services at the Tree of Life Synagogue on Saturday, Oct. 27. Gene J. Puskar, AP

This is a painted rock in memory of Rose Mallinger, 97, found Wednesday, Oct. 31, 2018, part of a makeshift memorial outside the Tree of Life Synagogue in the Squirrel Hill neighborhood of Pittsburgh, to the 11 people killed during worship services Saturday Oct. 27, 2018. Gene J. Puskar, AP

The casket of Irving Younger is led to a hearse outside Rodef Shalom Temple following his funeral on Oct. 31, 2018 in Pittsburgh, Pa. Irving Younger was one of 11 people killed in the mass shooting at the Tree of Life Synagogue on October 27. Jeff Swensen, Getty Images

A processional leaves the Jewish Community Center after the funeral of Dr. Jerry Rabinowitz, 66, in the Squirrel Hill neighborhood of Pittsburgh, Oct. 30, 2018. Rabinowitz and 10 other people were shot and killed Oct. 27, 2018 during a service at Tree of Life Congregation Synagogue in Pittsburgh.
Robert Bowers allegedly screamed anti-Semitic epithets, as he opened fire on the congregants, law enforcement officials said. Eleven worshippers were killed and six other people were wounded. Cara Owsley, Cincinnati Enquirer via USA TODAY NETWORK

One of the caskets for brothers David and Cecil Rosenthal is carried out of the synagogue at the conclusion of funeral services at the Rodef Shalom Congregation in Pittsburgh on Oct. 30, 2018. Mykal McEldowney, Indianapolis Star via USA TODAY Network

Family members of Dr. Jerry Rabinowitz, 66, embrace before his funeral at the Jewish Community Center in the Squirrel Hill neighborhood of Pittsburgh, Oct. 30, 2018. Cara Owsley, Cincinnati Enquirer via USA TODAY NETWORK

Eleven candles, one marking each life of the people killed at the Tree of Life Congregation Synagogue in the Squirrel Hill neighborhood of Pittsburgh, were lit during a vigil at Chabad of Vermont in Burlington, Vt., Monday, Oct. 29, 2018. Ryan Mercer, Burlington Free Press, via USA TODAY Network

Students from Yeshiva Girls High School pray, on Oct. 29, 2018, outside of the Tree of Life Congregation Synagogue in Pittsburgh, Pa.
Robert Bowers allegedly screamed anti-Semitic epithets, as he opened fire on the congregants of Tree of Life during a service, law enforcement officials said. Eleven worshippers were killed and six other people were wounded Saturday. CARA OWSLEY/THE ENQUIRER

Names of the victims in the mass shooting at Tree of Life Congregation Synagogueare posted at a memorial outside of the synagogue in the Squirrel Hill neighborhood of Pittsburgh, Pa., Monday. CARA OWSLEY/THE ENQUIRER

Mourners visit the Tree of Life Synagogue on Oct. 29, 2018, in the Squirrel Hill neighborhood of Pittsburgh after 11 were killed and six others were wounded Saturday. Cara Owsley, The Cincinnati Enquirer

Magda Brown reflects on the time she spent in a concentration camp as a 17-year-old. Brown spoke to reporters on Monday, Oct. 29, 2018, at the Holocaust Center of Pittsburgh. A gunman entered the Tree of Life Congregation Synagogue opened fire, killing 11 and wounding six on Saturday morning, according to officials. MARKELL DELOATCH/PUBLIC OPINION

Cindy Goodman, previous chair of the Community Relations Council for the Jewish Federation of Greater Pittsburgh, is hugged by a local community leader during a press conference at Freedom Unlimited, Inc., on Oct. 29, 2018. The gathering, held by community groups and religious leaders, honored the 11 victims who lost their lives inside the Tree of Life Synagogue on Saturday. MYKAL MCELDOWNEY/INDYSTAR

Rev. James H. Harris, right, of St. James AME in Pittsburgh, says a prayer in honor of the 11 victims who lost their lives inside the Tree of Life Synagogue on Saturday. Local religious and community leaders were asked to lay a hand on members of the Community Relations Council for the Jewish Federation of Greater Pittsburgh as a prayer was said during a press conference at Freedom Unlimited, Inc., Monday. MYKAL MCELDOWNEY/INDYSTAR

Richard A. Stewart Jr., president of NAACP Pittsburg branch, addresses community concern after the recent shooting inside Tree of Life Synagogue Community during a press conference at Freedom Unlimited, Inc., on Monday. MYKAL MCELDOWNEY/INDYSTAR

Lauren Bairnsfather, director of Holocaust Center of Pittsburgh, talks about the outpouring of sympathy and support she has recieved since Saturday's shooting in Pittsburgh, Pa. MARKELL DELOATCH/PUBLIC OPINION

Etsy Peles, 17, and a senior at a girls-only high school within the Yeshiva Schools of Pittsburgh, saw the black names written on white stars outside the Tree of Life Congregation Synagogue, before dozens of bouquets.
“It’s moving right in front of us, and the names of all the people, and you just felt it in the air, it was tangible,” she said a few hours later from a meeting room at her school. “And I feel like by going back to the place and praying there and singing there, we just showed everyone that you know we can and will remain strong.” CARA OWSLEY/THE ENQUIRER

"Love this beautiful neighborhood" is written on the sidewalk near the Tree of Life Congregation Synagogue in the Squirrel Hill neighborhood of Pittsburgh, Monday, Oct. 29, 2018. Cara Owsley, Cincinnati Enquirer, via USA TODAY Network

Rabbi Jeffrey Myers of the Tree of Life/Or L'Simcha Congregation stands across the street from the synagogue in Pittsburgh, Monday, Oct. 29, 2018. Shooting suspect Robert Gregory Bowers is expected to appear in federal court Monday. Authorities say he expressed hatred toward Jews during the rampage Saturday morning and in later comments to police. Matt Rourke, AP

Messages on a barricade are left near the Tree of Life Congregation Synagogue in the Squirrel Hill neighborhood of Pittsburgh, Monday, October 29, 2018. Cara Owsley, Cincinnati Enquirer, via USA TODAY Network

Hundreds of area residents filled the seats and stood during a vigil at Congregation Kol Ami in White Plains, N.Y. on Oct. 28, 2018, in response to the mass shooting at the Tree of Life Congregation synagogue in Pittsburgh synagogue. The vigil was organized by several Westchester County based Jewish organizations. SETH HARRISON, The Journal News-USA TODAY Network

People gather outside the Soldiers & Sailors Memorial Hall & Museum on Oct. 28, 2018, in Pittsburgh, during a community gathering in the aftermath of the deadly shooting at the Tree of Life Congregation synagogue. MATT ROURKE, AP

People listen to interfaith speakers on Oct. 28, 2018, at the Soldiers & Sailors Memorial Hall before a service to honor and mourn the victims of the mass shooting at the Tree of Life Congregation synagogue in Pittsburgh. JEFF SWENSEN, Getty Images

Flowers and cards sit at a makeshift memorial down the street from the site of the mass shooting that killed 11 people and wounded 6 at the Tree of Life Congregation synagogue in Pittsburgh. JEFF SWENSEN, Getty Images

People hold candles during a vigil against anti-Semitism and white supremacy, in response to the shooting at the Tree of Life Congregation synagogue in Pittsburgh, at the Human Rights Monument in Ottawa, Ontario, on Oct. 28, 2018. JUSTIN TANG, The Canadian Press via AP

Fans pause for a moment of silence to honor the victims of the shooting in Pittsburgh before the game between the Washington Redskins and New York Giants, Sunday, Oct. 28, 2018, in East Rutherford, N.J. Robert Deutsch, USA TODAY

Posters at Heinz Field honor the victims of the shooting at the Tree of Life Synagogue before the game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Oct. 28, 2018, in Pittsburgh. Jeffrey Becker, USA TODAY Sports

People walk under the U.S. and Israeli flags projected on the walls of Jerusalem old city, Oct. 28, 2018, organized by the Jerusalem municipality to show solidarity with the Pittsburgh Jewish community following the shooting attack at the Tree of Life Synagogue in Pittsburgh. MENAHEM KAHANA, AFP/Getty Images

Members of the FBI and others survey the area on Oct. 28, 2018, outside the Tree of Life Synagogue in the Squirrel Hill neighborhood of Pittsburgh on Oct. 27, 2018. BRENDAN SMIALOWSKI, AFP/Getty Images

Members of emergency services gather, Oct. 28, 2018, outside of the Tree of Life Synagogue after a shooting there left 11 people dead in the Squirrel Hill neighborhood of Pittsburgh on Oct. 27, 2018. BRENDAN SMIALOWSKI, AFP/Getty Images

Stephanie Myers and Sally Merar, both of Pittsburgh, try to light candles in a drizzle during a vigil in the Squirrel Hill neighborhood of Pittsburgh. SARA C. TOBIAS, Newark Advocate via USA TODAY Network

Tammy Hepps, hugs Simone Rothstein, right, on the intersection of Shady Avenue and Northumberland Street after multiple people were shot at The Tree of Life Congregation synagogue. ALEXANDRA WIMLEY, Pittsburgh Post-Gazette via AP

Neighbors around the corner from the site of a mass shooting at the Tree of Life Synagogue embrace one another in the Squirrel Hill neighborhood in Pittsburgh, Pa. on Oct. 27, 2018. JEFF SWENSEN, Getty Images

Police respond to an active shooter situation at the Tree of Life synagogue on Wildins Avenue in the Squirrel Hill neighborhood of Pittsburgh, Pa. on Oct. 27, 2018. PAM PANCHAK, Pittsburgh Post-Gazette via AP

Police respond to an active shooter situation at the Tree of Life synagogue on Wildins Avenue in the Squirrel Hill neighborhood of Pittsburgh, Pa. on Oct. 27, 2018. PAM PANCHAK, Pittsburgh Post-Gazette via AP

How did police capture Bowers?

As Bowers attempted to exit the synagogue, a gunfight erupted and two officers were injured, Pittsburgh bureau FBI Special Agent in Charge Bob Jones said.

In a later exchange of gunfire, two SWAT team members were injured. Bowers was taken into custody and is in fair condition with multiple gunshot wounds, authorities said.

Who is the suspect?

A Department of Motor Vehicles ID picture of Robert Bowers, the suspect in the Pittsburgh synagogue attack.(Photo: AFP/Getty Images)

Bowers, 46, was charged by federal prosecutors with 29 counts, including using a firearm to commit murder. Bowers was armed with an AR-15 assault rifle and three handguns and used all four in the attack. The Associated Press reported Sunday that Bowers owned the weapons legally and had a license to carry them.

Posts believed to be from Bowers’ social media accounts show pictures of several Glock pistols in their cases and derogatory remarks about refugees, Jewish people and President Donald Trump.

Among his recent posts, one read, "Daily Reminder: Diversity means chasing down the last white person." Another said, "welp, it's 8 bells and time to raid the kike group."

Bowers told an officer while he was being treated for his injuries “that he wanted all Jews to die and also that they (Jews) were committing genocide to his people,” a federal affidavit said.

One of the four police officers wounded in the attack was treated and released, and a second one was expected to be released Sunday. The other two injured officers were expected to stay in the hospital, and one of them, a 40-year-old man, remained in critical condition.

Two other people in the synagogue were wounded by Bowers. A 61-year-old woman was listed in stable condition, and a 70-year-old man was in critical condition, according to the University of Pittsburgh Medical Center.

Authorities have established a hotline for family members of the victims:

Victim's Assistance Center has been set up on the campus of @ChathamU Berry Hall @ 106 Berry Street. Families of Victims wishing to check on their loved ones, can call the Victims Assistance Hotline @ 412-432-4400 #Pittsburgh

How have government officials responded?

The President tweeted that the "evil Anti-Semitic attack is an assault on humanity."

All of America is in mourning over the mass murder of Jewish Americans at the Tree of Life Synagogue in Pittsburgh. We pray for those who perished and their loved ones, and our hearts go out to the brave police officers who sustained serious injuries...

We grieve for the Americans murdered in Pittsburgh. All of us have to fight the rise of anti-Semitism and hateful rhetoric against those who look, love, or pray differently. And we have to stop making it so easy for those who want to harm the innocent to get their hands on a gun.

Pittsburgh Mayor Bill Peduto called Saturday the "darkest day in Pittsburgh's history.” Asked at a news conference whether it's time to discuss the notion of removing guns from American society, Peduto said the efforts should focus on eliminating irrational behavior.

"I think the approach that we need to be looking at is how we take the guns, which is the common denominator of every mass shooting in America, out of the hands of those that are looking to express hatred through murder,” Peduto said.